# 测距精确度低，有什么措施改善？

**URL:** <https://bbs.aprbrother.com/t/topic/1464>\
**Category:** AprilBeacon\
**Created:** [March 26, 2019, 7:23am UTC](https://bbs.aprbrother.com/t/topic/1464 "2019-03-26T07:23:14Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![longwinded](https://bbs.aprbrother.com/letter_avatar_proxy/v4/letter/l/c5a1d2/32.png) [@longwinded](https://bbs.aprbrother.com/u/longwinded)\
**Post date:** [March 26, 2019, 7:23am UTC](https://bbs.aprbrother.com/t/topic/1464/1 "2019-03-26T07:23:14Z")

</div>

买了“超节能蓝牙ibeacon摇一摇室内定位beacon”，用摇一摇助手测试，发现测距误差很大，实际距离只有30cm，APP显示的距离却达到4、5米，为什么会这样呢？

---

<div class="post-metadata">

**Author:** ![aprilpea](https://bbs.aprbrother.com/user_avatar/bbs.aprbrother.com/aprilpea/32/9_2.png) [@aprilpea](https://bbs.aprbrother.com/u/aprilpea)\
**Post date:** [March 26, 2019, 7:47am UTC](https://bbs.aprbrother.com/t/topic/1464/2 "2019-03-26T07:47:41Z")

</div>

通过iBeacon测距，由于蓝牙2.4GHz属于高频信号，极容易受到环境影响，波动比较大。目前可以期待蓝牙5.1推出的精准定位功能

---

<div class="post-metadata">

**Author:** ![longwinded](https://bbs.aprbrother.com/letter_avatar_proxy/v4/letter/l/c5a1d2/32.png) [@longwinded](https://bbs.aprbrother.com/u/longwinded)\
**Post date:** [March 27, 2019, 7:14am UTC](https://bbs.aprbrother.com/t/topic/1464/3 "2019-03-27T07:14:34Z")

</div>

那在目前，想要做到比较精准的室内测距或定位，你们有其他成熟的产品或方案吗？